Exposure
- ID
- GRAVI.2025-05-13T08:30:44.039_2
- Header ID
- GRAVI.2025-05-13T08:30:44.039
- Date updated
- 2025-05-13 08:50:51 UTC+0000
- Release date
- 2026-05-13 08:50:50 UTC+0000
- UTC Start
- 2025-05-13 08:30:44.039
- UTC End
- 2025-05-13 08:36:44.039
- MJD Start
- 60808.35467638
- MJD End
- 60808.35884304666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0142475
- Ambient temperature (°C)
- 15.96
- Seeing (arcsec)
- 0.3
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.9790 | 54.7880 | 34.2000 | 34.7000 |
| U1-U3 | 98.8940 | 98.4500 | 40.6000 | 41.0000 |
| U1-U4 | 122.7670 | 121.7260 | 69.6070 | 70.2150 |
| U2-U3 | 44.6690 | 44.4120 | 48.4000 | 48.9000 |
| U2-U4 | 84.2070 | 83.4370 | 91.8280 | 92.6350 |
| U3-U4 | 60.2000 | 59.8400 | 122.5050 | 123.5140 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.35467638 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416516 |
| DEC | -29.00752 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 54.979 |
| HIERARCH ESO ISS PBL12 END | 54.788 |
| HIERARCH ESO ISS PBLA12 START | 34.2 |
| HIERARCH ESO ISS PBLA12 END | 34.7 |
| HIERARCH ESO ISS PBL13 START | 98.894 |
| HIERARCH ESO ISS PBL13 END | 98.45 |
| HIERARCH ESO ISS PBLA13 START | 40.6 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 122.767 |
| HIERARCH ESO ISS PBL14 END | 121.726 |
| HIERARCH ESO ISS PBLA14 START | 69.607 |
| HIERARCH ESO ISS PBLA14 END | 70.215 |
| HIERARCH ESO ISS PBL23 START | 44.669 |
| HIERARCH ESO ISS PBL23 END | 44.412 |
| HIERARCH ESO ISS PBLA23 START | 48.4 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 84.207 |
| HIERARCH ESO ISS PBL24 END | 83.437 |
| HIERARCH ESO ISS PBLA24 START | 91.828 |
| HIERARCH ESO ISS PBLA24 END | 92.635 |
| HIERARCH ESO ISS PBL34 START | 60.2 |
| HIERARCH ESO ISS PBL34 END | 59.84 |
| HIERARCH ESO ISS PBLA34 START | 122.505 |
| HIERARCH ESO ISS PBLA34 END | 123.514 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.015006 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013489 |
| HIERARCH ESO ISS AMBI TEMP | 15.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.29 |
| HIERARCH ESO ISS AMBI FWHM END | 0.31 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |